#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/mmc/host.h>
-#include <linux/mfd/core.h>
+#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/mfd/tmio.h>
-#include <linux/mfd/sh_mobile_sdhi.h>
#include <linux/sh_dma.h>
+#include "tmio_mmc.h"
+
struct sh_mobile_sdhi {
struct clk *clk;
struct tmio_mmc_data mmc_data;
- struct mfd_cell cell_mmc;
struct sh_dmae_slave param_tx;
struct sh_dmae_slave param_rx;
struct tmio_mmc_dma dma_priv;
};
-static struct resource sh_mobile_sdhi_resources[] = {
- {
- .start = 0x000,
- .end = 0x1ff,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct mfd_cell sh_mobile_sdhi_cell = {
- .name = "tmio-mmc",
- .num_resources = ARRAY_SIZE(sh_mobile_sdhi_resources),
- .resources = sh_mobile_sdhi_resources,
-};
-
-static void sh_mobile_sdhi_set_pwr(struct platform_device *tmio, int state)
+static void sh_mobile_sdhi_set_pwr(struct platform_device *pdev, int state)
{
- struct platform_device *pdev = to_platform_device(tmio->dev.parent);
struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
if (p && p->set_pwr)
p->set_pwr(pdev, state);
}
-static int sh_mobile_sdhi_get_cd(struct platform_device *tmio)
+static int sh_mobile_sdhi_get_cd(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(tmio->dev.parent);
struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
if (p && p->get_cd)
struct sh_mobile_sdhi *priv;
struct tmio_mmc_data *mmc_data;
struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
- struct resource *mem;
+ struct tmio_mmc_host *host;
char clk_name[8];
- int ret, irq;
-
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mem)
- dev_err(&pdev->dev, "missing MEM resource\n");
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- dev_err(&pdev->dev, "missing IRQ resource\n");
-
- if (!mem || (irq < 0))
- return -EINVAL;
+ int ret;
priv = kzalloc(sizeof(struct sh_mobile_sdhi), GFP_KERNEL);
if (priv == NULL) {
if (IS_ERR(priv->clk)) {
dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
ret = PTR_ERR(priv->clk);
- kfree(priv);
- return ret;
+ goto eclkget;
}
clk_enable(priv->clk);
mmc_data->flags = p->tmio_flags;
mmc_data->ocr_mask = p->tmio_ocr_mask;
mmc_data->capabilities |= p->tmio_caps;
+
+ if (p->dma_slave_tx >= 0 && p->dma_slave_rx >= 0) {
+ priv->param_tx.slave_id = p->dma_slave_tx;
+ priv->param_rx.slave_id = p->dma_slave_rx;
+ priv->dma_priv.chan_priv_tx = &priv->param_tx;
+ priv->dma_priv.chan_priv_rx = &priv->param_rx;
+ priv->dma_priv.alignment_shift = 1; /* 2-byte alignment */
+ mmc_data->dma = &priv->dma_priv;
+ }
}
/*
*/
mmc_data->flags |= TMIO_MMC_SDIO_IRQ;
- if (p && p->dma_slave_tx >= 0 && p->dma_slave_rx >= 0) {
- priv->param_tx.slave_id = p->dma_slave_tx;
- priv->param_rx.slave_id = p->dma_slave_rx;
- priv->dma_priv.chan_priv_tx = &priv->param_tx;
- priv->dma_priv.chan_priv_rx = &priv->param_rx;
- priv->dma_priv.alignment_shift = 1; /* 2-byte alignment */
- mmc_data->dma = &priv->dma_priv;
- }
+ ret = tmio_mmc_host_probe(&host, pdev, mmc_data);
+ if (ret < 0)
+ goto eprobe;
- memcpy(&priv->cell_mmc, &sh_mobile_sdhi_cell, sizeof(priv->cell_mmc));
- priv->cell_mmc.mfd_data = mmc_data;
+ pr_info("%s at 0x%08lx irq %d\n", mmc_hostname(host->mmc),
+ (unsigned long)host->ctl, host->irq);
- platform_set_drvdata(pdev, priv);
-
- ret = mfd_add_devices(&pdev->dev, pdev->id,
- &priv->cell_mmc, 1, mem, irq);
- if (ret) {
- clk_disable(priv->clk);
- clk_put(priv->clk);
- kfree(priv);
- }
+ return ret;
+eprobe:
+ clk_disable(priv->clk);
+ clk_put(priv->clk);
+eclkget:
+ kfree(priv);
return ret;
}
static int sh_mobile_sdhi_remove(struct platform_device *pdev)
{
- struct sh_mobile_sdhi *priv = platform_get_drvdata(pdev);
+ struct mmc_host *mmc = platform_get_drvdata(pdev);
+ struct tmio_mmc_host *host = mmc_priv(mmc);
+ struct sh_mobile_sdhi *priv = container_of(host->pdata, struct sh_mobile_sdhi, mmc_data);
- mfd_remove_devices(&pdev->dev);
+ tmio_mmc_host_remove(host);
clk_disable(priv->clk);
clk_put(priv->clk);
kfree(priv);
MODULE_DESCRIPTION("SuperH Mobile SDHI driver");
MODULE_AUTHOR("Magnus Damm");
MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:sh_mobile_sdhi");
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